Seiko Cal. 4550 - 610

The 4550-610 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4550 caliber with 18j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-5216a06a9ca2]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1992

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