Seiko Cal. 5689 - 544

This Hand-Winding model from 1981 features a 44mm PVD Black case. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-82ad4814ab7b]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Burgundy

Jewels

21j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1981

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