Seiko Cal. 6391 - 430

The Seiko 6391-430 represents an important milestone in Seiko's 1996 lineup. It features a Green dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-fd923a8b6f16]

Also known as: Bullhead, Crown

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1996

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