Seiko Cal. 6312 - 678

This Hand-Winding model from 1976 features a 43mm Two-Tone case. Powered by the 6312 caliber with 30j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-7952cfb5d40d]

Also known as: Pogue, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1976

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