Seiko Cal. 5640 - 318

The 5640-318 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5640 caliber with 25j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-904b39136495]

Also known as: Shogun, Arnie

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

25j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1987

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