Seiko Cal. 7066 - 657

The Seiko 7066-657 represents an important milestone in Seiko's 1968 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-a8a8f2fea2cb]

Also known as: Navigator

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1968

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