Seiko Cal. 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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