Seiko Cal. 6638 - 177

This Hand-Winding model from 1996 features a 36mm Hardlex-Coated Steel case. It features a Green dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-1b8cd4fc3fa9]

Also known as: Goldfeather, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1996

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