Seiko Cal. 5617 - 750

This Automatic model from 1977 features a 46mm Hardlex-Coated Steel case. It features a Black dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-d204c01e50af]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1977

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