Seiko Cal. 7181 - 317

This Solar model from 1972 features a 35mm Two-Tone case. With its 18mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-5e08ed6b6ee2]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

35mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1972

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