Seiko Cal. 6638 - 849

The 6638-849 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-0451dd838d90]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1980

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