Seiko Cal. 6315 - 768

This Hand-Winding model from 1975 features a 40mm Two-Tone case. Powered by the 6315 caliber with 22j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-4016319e99f8]

Also known as: Monster, Emperor

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1975

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