Seiko Cal. 5640 - 570

This Solar model from 1973 features a 46mm Stainless Steel case. Powered by the 5640 caliber with 25j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-a7a596fba2cb]

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Silver

Jewels

25j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1973

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