Seiko Cal. 3870 - 735

This Automatic model from 1967 features a 42mm Stainless Steel case. Powered by the 3870 caliber with 36j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-ff36aa107864]

Also known as: Turtle, Sea Horse

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1967

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