Seiko Cal. 6312 - 861

The Seiko 6312-861 represents an important milestone in Seiko's 1979 lineup. Powered by the 6312 caliber with 36j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-d50ef26d0a32]

Also known as: Navigator, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

36j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1979

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