Seiko Cal. 5646 - 641

This Solar model from 1980 features a 46mm PVD Black case. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-ae71b155bc13]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1980

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