Seiko Cal. 6315 - 661

This Kinetic model from 1978 features a 38mm Two-Tone case. Powered by the 6315 caliber with 28j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-2197998d0ddd]

Also known as: Monster, Bullhead

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

28j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1978

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