Seiko Cal. 6657 - 237

The 6657-237 is a sought-after Hand-Winding piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-9e89d96f7000]

Also known as: Rally, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

White

Jewels

19j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1982

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