Seiko Cal. 5637 - 257

The 5637-257 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5637 caliber with 20j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-c08da78c4c6f]

Also known as: Silverwave, Emperor

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1993

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