Seiko Cal. 4581 - 331

This Solar model from 1971 features a 40mm PVD Black case. Powered by the 4581 caliber with 31j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-41d423daac09]

Also known as: Turtle, Panda

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

White

Jewels

31j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1971

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