Seiko Cal. 6312 - 721

The Seiko 6312-721 represents an important milestone in Seiko's 1967 lineup. With its 21mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-c2d9ef8f8fa1]

Also known as: Pogue, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1967

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