Seiko Cal. 3879 - 148

This Solar model from 1968 features a 44mm Two-Tone case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-7ddd63839b5d]

Also known as: Sumo, Helmet

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

44mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1968

Related Models

• Seiko 5670-283
• Seiko 6210-221
• Seiko 7166-638
• Seiko 6398-853
• Seiko 7067-215
• Seiko 7050-486
• Seiko 0783-905
• Seiko 7090-545
• Seiko 6222-210
• Seiko 6362-506
• Seiko 4593-994
• Seiko 6321-625