Seiko Cal. 4416 - 650

This Spring Drive model from 1976 features a 45mm PVD Black case. It features a Burgundy dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-32081ffb33bf]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Burgundy

Jewels

31j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1976

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