Seiko Cal. 5644 - 945

This Automatic model from 1979 features a 46mm Stainless Steel case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-48c719d47de5]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

8.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1979

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