Seiko Cal. 6638 - 542

Seiko 6638-542

This Solar model from 1966 features a 35mm Stainless Steel case. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-1b6a0798ab08]

Also known as: World Timer, Crown

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
12.0mm
Lug Width
21mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Silver
Jewels
28j
Frequency
36,000 bph
Power Reserve
40 hours
Year
1966

Related Models

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