Seiko Cal. 0730 - 439

The Seiko 0730-439 represents an important milestone in Seiko's 1974 lineup. With its 21mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-1d10dd4c4986]

Also known as: Bellmatic, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1974

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