Seiko Cal. 5617 - 551

This Spring Drive model from 1980 features a 37mm Stainless Steel case. It features a Burgundy dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-ec4049430cc3]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Burgundy

Jewels

24j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1980

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