Seiko Cal. 4491 - 375

This Automatic model from 1966 features a 42mm PVD Black case. It features a Black dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-c31b056f406c]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1966

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