Seiko Cal. 4521 - 938

The 4521-938 is a sought-after Solar piece from Seiko's golden era. Powered by the 4521 caliber with 29j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-688f87dc52b0]

Also known as: Monster, Sea Horse

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1980

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