Seiko Cal. 6657 - 942

This Automatic model from 1999 features a 39mm Hardlex-Coated Steel case. It features a White dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-09cc2e107b75]

Also known as: Tuna, Sea Horse

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

White

Jewels

26j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1999

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