Seiko Cal. 6645 - 979

This Automatic model from 1990 features a 44mm PVD Black case. It features a Black dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-bec1e31009b2]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1990

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