Seiko Cal. 4545 - 810

The Seiko 4545-810 represents an important milestone in Seiko's 1968 lineup. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-096ced6aef40]

Also known as: Sumo, World Timer

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1968

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