Seiko Cal. 5657 - 745

The 5657-745 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5657 caliber with 22j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-f5c191dc65a3]

Also known as: Sea Horse, Crown

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

22j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1990

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