Seiko Cal. 4481 - 815

This Solar model from 1981 features a 45mm Hardlex-Coated Steel case. Powered by the 4481 caliber with 28j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-8ccb88c3a3c2]

Also known as: Monster, UFO

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1981

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