Seiko Cal. 3820 - 309

Released in 1978, the Cal. 3820 with design code 309 was part of Seiko's domestic market collection. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-0de5302cbdd5]

Also known as: Rally

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

35j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1978

Related Models

• Seiko 7189-199
• Seiko 3841-520
• Seiko 6340-278
• Seiko 3820-789
• Seiko 6343-686
• Seiko 3890-954
• Seiko 5226-892
• Seiko 6145-221
• Seiko 5667-576
• Seiko 4599-223
• Seiko 6367-785
• Seiko 4555-316