Seiko Cal. 5637 - 506

Seiko 5637-506

The 5637-506 is a sought-after Solar piece from Seiko's golden era. Powered by the 5637 caliber with 31j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-e5229fbd7841]

Also known as: Turtle, Sumo

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
41mm
Case Thickness
10.4mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
130m
Dial Color
Cream
Jewels
31j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1994

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