Seiko Cal. 5646 - 138

This Solar model from 1987 features a 46mm PVD Black case. Powered by the 5646 caliber with 21j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-20cd34bd01d1]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1987

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