Seiko Cal. 6657 - 595

The 6657-595 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Burgundy dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-33c33d507a34]

Also known as: Monster, Navigator

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

35j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1979

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