Seiko Cal. 4551 - 139

The Seiko 4551-139 represents an important milestone in Seiko's 1981 lineup. Powered by the 4551 caliber with 33j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-7052a6bdd262]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1981

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