Seiko Cal. 6687 - 473

This Solar model from 1973 features a 46mm PVD Black case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-d71c7aa049f3]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

46mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1973

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