Seiko Cal. 6389 - 548

The Seiko 6389-548 represents an important milestone in Seiko's 1972 lineup. It features a Green dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-ed3f419ad864]

Also known as: Helmet, Arnie

Specifications

Movement

Solar

Case Material

Titanium

Case Width

34mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1972

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