Seiko Cal. 5691 - 516

This Hand-Winding model from 1988 features a 39mm Stainless Steel case. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-0a47496c3ba8]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1988

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