Seiko Cal. 6317 - 857

This Automatic model from 1976 features a 46mm Two-Tone case. Powered by the 6317 caliber with 18j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-d07ed1568384]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Champagne

Jewels

18j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1976

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