Seiko Cal. 7142 - 221

The Seiko 7142-221 represents an important milestone in Seiko's 1977 lineup. It features a Navy dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-19a1b7e3690e]

Also known as: Sportsmatic, Crown

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1977

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