Seiko Cal. 7139 - 310

The Seiko 7139-310 represents an important milestone in Seiko's 1998 lineup. Powered by the 7139 caliber with 19j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-95e57a1700a5]

Also known as: Crown, Emperor

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1998

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