Seiko Cal. 5689 - 551

The Seiko 5689-551 represents an important milestone in Seiko's 1970 lineup. Powered by the 5689 caliber with 27j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-cfae6209d0c3]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1970

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