Seiko Cal. 4544 - 637

The Seiko 4544-637 represents an important milestone in Seiko's 1970 lineup. It features a Champagne dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-e1efd36035ab]

Also known as: Samurai, Navigator

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1970

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