Seiko Cal. 6644 - 109

Seiko 6644-109

The 6644-109 is a sought-after Solar piece from Seiko's golden era. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-c612e299424b]

Also known as: Turtle, Baby Tuna

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
15.3mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
50m
Dial Color
Silver
Jewels
18j
Frequency
36,000 bph
Power Reserve
58 hours
Year
1972

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