Seiko Cal. 4545 - 789

This Spring Drive model from 1999 features a 36mm Titanium case. Powered by the 4545 caliber with 35j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-6b0e4645a19a]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1999

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