Seiko Cal. 6635 - 741

Seiko 6635-741

The 6635-741 is a sought-after Quartz piece from Seiko's golden era. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-7d197d4c9f30]

Also known as: Golden Tuna

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
14.5mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
70m
Dial Color
White
Jewels
24j
Frequency
36,000 bph
Power Reserve
47 hours
Year
1980

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