Seiko Cal. 7177 - 175

This Hand-Winding model from 1978 features a 37mm PVD Black case. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-a41d48522fe6]

Also known as: Goldfeather, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Burgundy

Jewels

26j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1978

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