Seiko Cal. 7164 - 391

The Seiko 7164-391 represents an important milestone in Seiko's 1972 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-f729a9d1c0a3]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1972

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