Seiko Cal. 5660 - 154

The Seiko 5660-154 represents an important milestone in Seiko's 1989 lineup. Powered by the 5660 caliber with 27j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-2441f8c30c32]

Also known as: Samurai, Golden Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1989

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