Seiko Cal. 4439 - 940

Released in 1995, the Cal. 4439 with design code 940 was part of Seiko's domestic market collection. Powered by the 4439 caliber with 36j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-c9127950d7dd]

Also known as: Sumo, Crown

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

45mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

White

Jewels

36j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1995

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