Seiko Cal. 7139 - 100

The Seiko 7139-100 represents an important milestone in Seiko's 1999 lineup. Powered by the 7139 caliber with 34j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-dd1052792b2e]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1999

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