Seiko Cal. 0785 - 634

This Solar model from 1973 features a 39mm PVD Black case. Powered by the 0785 caliber with 27j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-9b202453a245]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1973

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