Seiko Cal. 5671 - 268

This Hand-Winding model from 1979 features a 40mm Titanium case. With its 20mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-8424eb4ac52f]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Burgundy

Jewels

21j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1979

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