Seiko Cal. 7166 - 818

The Seiko 7166-818 represents an important milestone in Seiko's 1970 lineup. It features a Green dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-432a1fe85daf]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1970

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