Seiko Cal. 4521 - 113

This Solar model from 1978 features a 45mm Titanium case. Powered by the 4521 caliber with 31j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-43cfafa9f391]

Also known as: Panda, Flighty

Specifications

Movement

Solar

Case Material

Titanium

Case Width

45mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1978

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