Seiko Cal. 7071 - 552

This Automatic model from 1976 features a 39mm Two-Tone case. Powered by the 7071 caliber with 31j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-ada778778e98]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

White

Jewels

31j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1976

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