Seiko Cal. 7039 - 715

The Seiko 7039-715 represents an important milestone in Seiko's 1974 lineup. Powered by the 7039 caliber with 28j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-d531dd2d5c13]

Also known as: Sumo, Silverwave

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1974

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