Seiko Cal. 4557 - 710

The 4557-710 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4557 caliber with 17j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-ce33d7fc0e6c]

Also known as: Bellmatic, Emperor

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

43mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Silver

Jewels

17j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1971

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