Seiko Cal. 6638 - 371

Seiko 6638-371

This Hand-Winding model from 1973 features a 38mm Hardlex-Coated Steel case. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-e21457fabadd]

Also known as: Goldfeather, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
15.4mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Navy
Jewels
35j
Frequency
36,000 bph
Power Reserve
61 hours
Year
1973

Related Models

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