Seiko Cal. 6271 - 739

This Spring Drive model from 1975 features a 43mm Two-Tone case. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-1dbd273ebe4b]

Also known as: Helmet, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Cream

Jewels

24j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1975

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