Seiko Cal. 6391 - 371

The Seiko 6391-371 represents an important milestone in Seiko's 1970 lineup. It features a Green dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-cfcdb3e524ab]

Also known as: Panda, Goldfeather

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Green

Jewels

34j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1970

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