Seiko Cal. 4545 - 713

The Seiko 4545-713 represents an important milestone in Seiko's 1991 lineup. Powered by the 4545 caliber with 31j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-1693a9f5d1e2]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

Champagne

Jewels

31j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1991

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