Seiko Cal. 5657 - 710

This Hand-Winding model from 1993 features a 38mm Hardlex-Coated Steel case. It features a Black dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-f56d3b067fc0]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1993

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