Seiko Cal. 4491 - 455

This Spring Drive model from 1967 features a 36mm Two-Tone case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-ca37a9ef400b]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1967

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