Seiko Cal. 4546 - 745

The Seiko 4546-745 represents an important milestone in Seiko's 1987 lineup. Powered by the 4546 caliber with 24j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-f4e86eaa0474]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

White

Jewels

24j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1987

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