Seiko Cal. 6331 - 956

The 6331-956 is a sought-after Solar piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-5cfa0a1f219b]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

35mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Green

Jewels

27j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1974

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