Seiko Cal. 6312 - 521

This Solar model from 1966 features a 40mm PVD Black case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-da1a9b7eb457]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1966

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