Seiko Cal. 4545 - 901

The Seiko 4545-901 represents an important milestone in Seiko's 1971 lineup. It features a Navy dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-12cf448efb45]

Also known as: Sumo, Navigator

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1971

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