Seiko Cal. 6657 - 932

The 6657-932 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-09444b8b4d6e]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

White

Jewels

24j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1997

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