Seiko Cal. 5637 - 750

Seiko 5637-750

The 5637-750 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5637 caliber with 27j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-0b24c9c23f50]

Also known as: Sumo, Tuna

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
35mm
Case Thickness
12.3mm
Lug Width
18mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
40m
Dial Color
White
Jewels
27j
Frequency
21,600 bph
Power Reserve
52 hours
Year
1996

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