Seiko Cal. 6177 - 657

This Hand-Winding model from 1978 features a 37mm Titanium case. With its 19mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-5c29c6ae304c]

Also known as: Sportsmatic, Arnie

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

25j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1978

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