Seiko Cal. 3843 - 620

Released in 1977, the Cal. 3843 with design code 620 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-ffb00dd547f6]

Also known as: Turtle, Flighty

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1977

Related Models

• Seiko 5211-995
• Seiko 5615-853
• Seiko 6680-610
• Seiko 5665-227
• Seiko 5629-271
• Seiko 6676-207
• Seiko 7174-910
• Seiko 7153-540
• Seiko 6214-927
• Seiko 6189-571
• Seiko 4427-818
• Seiko 7088-391