Seiko Cal. 0739 - 545

The Seiko 0739-545 represents an important milestone in Seiko's 1969 lineup. With its 19mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-afc3a3da2fe4]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

35j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1969

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