Seiko Cal. 0716 - 530

This Spring Drive model from 1973 features a 37mm Two-Tone case. With its 18mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-d45c5562b71a]

Also known as: Sumo, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

34j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1973

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