Seiko Cal. 3878 - 859

This Hand-Winding model from 1968 features a 36mm Stainless Steel case. Powered by the 3878 caliber with 31j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-bfa8cac2bfff]

Also known as: Shogun, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

31j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1968

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