Seiko Cal. 5637 - 712

Seiko 5637-712

The 5637-712 is a sought-after Solar piece from Seiko's golden era. Powered by the 5637 caliber with 24j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-ad349294f027]

Also known as: Turtle, Flighty

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
43mm
Case Thickness
15.4mm
Lug Width
18mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
90m
Dial Color
Blue Sunburst
Jewels
24j
Frequency
21,600 bph
Power Reserve
50 hours
Year
1982

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