Seiko Cal. 4442 - 147

The Seiko 4442-147 represents an important milestone in Seiko's 1987 lineup. It features a Black dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-8475f630d417]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

41mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1987

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