Seiko Cal. 4540 - 501

This Solar model from 1977 features a 42mm Stainless Steel case. Powered by the 4540 caliber with 34j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-5a3bec140e5e]

Also known as: Panda, Helmet

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

White

Jewels

34j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1977

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