Seiko Cal. 5678 - 347

This Solar model from 1970 features a 35mm Two-Tone case. With its 20mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-bfbdec3f6f44]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

35mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1970

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