Seiko Cal. 3837 - 704

Seiko 3837-704

This Spring Drive model from 1971 features a 35mm PVD Black case. Powered by the 3837 caliber with 29j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-863948061690]

Also known as: Bullhead, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
35mm
Case Thickness
9.6mm
Lug Width
22mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
70m
Dial Color
Burgundy
Jewels
29j
Frequency
36,000 bph
Power Reserve
61 hours
Year
1971

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