Seiko Cal. 6671 - 137

This Spring Drive model from 1980 features a 41mm Titanium case. Powered by the 6671 caliber with 28j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-9ded9f8e09d5]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1980

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