Seiko Cal. 6647 - 581

This Solar model from 1972 features a 38mm PVD Black case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-ea94d4ed43e8]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1972

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