Seiko Cal. 5665 - 662

The Seiko 5665-662 represents an important milestone in Seiko's 1971 lineup. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-6530e9778458]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Cream

Jewels

24j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1971

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