Seiko Cal. 6657 - 313

This Hand-Winding model from 1989 features a 40mm PVD Black case. It features a Champagne dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-a8c21d6bf838]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Champagne

Jewels

27j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1989

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