Seiko Cal. 5657 - 764

This Hand-Winding model from 1991 features a 46mm PVD Black case. It features a Burgundy dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-b7dbced87ad8]

Also known as: Bullhead, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

17j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1991

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