Seiko Cal. 6139 - 311

The Seiko 6139-311 represents an important milestone in Seiko's 1999 lineup. It features a Green dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-e1637881a2ea]

Also known as: Tuna, Arnie

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Green

Jewels

32j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1999

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