Seiko Cal. 6636 - 844

Seiko 6636-844

The 6636-844 is a sought-after Solar piece from Seiko's golden era. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-c1c4a36a4005]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
15.3mm
Lug Width
22mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
60m
Dial Color
Champagne
Jewels
28j
Frequency
36,000 bph
Power Reserve
40 hours
Year
1970

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