Seiko Cal. 4545 - 618

The Seiko 4545-618 represents an important milestone in Seiko's 1968 lineup. With its 20mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-43acdf91f4c4]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Champagne

Jewels

35j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1968

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