Seiko Cal. 3888 - 864

This Solar model from 1970 features a 41mm Hardlex-Coated Steel case. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-5393f01e5fa5]

Also known as: Sumo, Emperor

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

White

Jewels

34j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1970

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