Seiko Cal. 6171 - 404

This Automatic model from 1977 features a 39mm Two-Tone case. Powered by the 6171 caliber with 30j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-1fc335e8a68c]

Also known as: UFO, Bellmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

30j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1977

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