Seiko Cal. 6312 - 645

This Spring Drive model from 1973 features a 43mm Gold-Plated case. Powered by the 6312 caliber with 20j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-0aee19e216fa]

Also known as: Navigator, Arnie

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1973

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