Seiko Cal. 7139 - 348

The Seiko 7139-348 represents an important milestone in Seiko's 1973 lineup. It features a Navy dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-e80a438afde1]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

34mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1973

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