Seiko Cal. 4438 - 947

The 4438-947 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4438 caliber with 36j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-c49917b756e0]

Also known as: Emperor, Arnie

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1988

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