Seiko Cal. 3841 - 457

Seiko 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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