Seiko Cal. 0781 - 948

This Spring Drive model from 1972 features a 37mm Gold-Plated case. It features a Black dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-6ad941ffa788]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1972

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