Seiko Cal. 5662 - 313

The Seiko 5662-313 represents an important milestone in Seiko's 1974 lineup. It features a Navy dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-4bebcdce02d2]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

42mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Navy

Jewels

29j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1974

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