Seiko Cal. 5640 - 455

The 5640-455 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5640 caliber with 27j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-58b26b66ead5]

Also known as: Navigator, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

27j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1987

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