Seiko Cal. 3831 - 223

This Solar model from 1968 features a 40mm PVD Black case. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-47c447381807]

Also known as: Panda, Sportsmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

34j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1968

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