Seiko Cal. 6312 - 931

The 6312-931 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Champagne dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-dd823961c0b2]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

22j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1979

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