Seiko Cal. 3881 - 961

This Hand-Winding model from 1968 features a 38mm PVD Black case. Powered by the 3881 caliber with 33j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-85df4f0c65b0]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

33j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1968

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