Seiko Cal. 0731 - 785

This Solar model from 1965 features a 35mm PVD Black case. With its 21mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-113ef290329e]

Also known as: Helmet, Emperor

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1965

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