Seiko Cal. 5668 - 652

The Seiko 5668-652 represents an important milestone in Seiko's 1968 lineup. Powered by the 5668 caliber with 17j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-40ef877fbeb1]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1968

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