Seiko Cal. 5691 - 721

This Spring Drive model from 1984 features a 41mm Gold-Plated case. It features a Silver dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-07d6a4e3cbb8]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Silver

Jewels

35j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1984

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