Seiko Cal. 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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