Seiko Cal. 6637 - 769

Seiko 6637-769

The 6637-769 is a sought-after Quartz piece from Seiko's golden era. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-c0d5b6494b23]

Also known as: Samurai, Baby Tuna

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
11.5mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
140m
Dial Color
Blue Sunburst
Jewels
24j
Frequency
36,000 bph
Power Reserve
60 hours
Year
1977

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