Seiko Cal. 7165 - 399

This Spring Drive model from 1973 features a 45mm Hardlex-Coated Steel case. It features a Navy dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-bca5b3f40154]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1973

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