Seiko Cal. 3841 - 457

This Spring Drive model from 1977 features a 37mm Stainless Steel case. Powered by the 3841 caliber with 23j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-c8b3da556bc3]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1977

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