Seiko Cal. 4545 - 138

The Seiko 4545-138 represents an important milestone in Seiko's 1993 lineup. Powered by the 4545 caliber with 18j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-52e81e9f20e7]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1993

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