Seiko Cal. 4442 - 971

Released in 1995, the Cal. 4442 with design code 971 was part of Seiko's domestic market collection. Powered by the 4442 caliber with 34j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-a4bfca5afa02]

Also known as: Sumo, World Timer

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1995

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