Seiko Cal. 0739 - 727

The Seiko 0739-727 represents an important milestone in Seiko's 1971 lineup. With its 20mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-de592284411b]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1971

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