Seiko Cal. 3878 - 602

This Hand-Winding model from 1972 features a 43mm Stainless Steel case. Powered by the 3878 caliber with 26j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-4521ac0b6401]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1972

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