Seiko Cal. 3881 - 772

This Kinetic model from 1978 features a 42mm PVD Black case. With its 21mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-cfe4fddb2512]

Also known as: Sumo, World Timer

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

42mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Champagne

Jewels

36j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1978

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