Seiko Cal. 6311 - 232

This Spring Drive model from 1973 features a 40mm Gold-Plated case. It features a Black dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-02ca2b0de081]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1973

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