Seiko Cal. 5662 - 428

The Seiko 5662-428 represents an important milestone in Seiko's 1974 lineup. Powered by the 5662 caliber with 34j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-31a6afe5124a]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

36mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1974

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