Seiko Cal. 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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