Seiko Cal. 0766 - 220

The Seiko 0766-220 represents an important milestone in Seiko's 1971 lineup. It features a White dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-4939d19e8f37]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1971

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