Seiko Cal. 6636 - 745

This Quartz model from 1976 features a 46mm PVD Black case. It features a Green dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-3a729840411e]

Also known as: Bellmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1976

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