Seiko Cal. 4438 - 590

The 4438-590 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4438 caliber with 29j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-975f31d568f9]

Also known as: Pogue, Emperor

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1977

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