Seiko Cal. 6638 - 771

This Hand-Winding model from 1995 features a 37mm Gold-Plated case. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-ef61cd5845a4]

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1995

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