Seiko Cal. 0739 - 857

The Seiko 0739-857 represents an important milestone in Seiko's 1977 lineup. With its 21mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-a7a23347a319]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

44mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Champagne

Jewels

24j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1977

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