Seiko Cal. 4544 - 640

This Solar model from 1988 features a 45mm Two-Tone case. It features a Black dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-a149614ad708]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1988

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