Seiko Cal. 5671 - 721

The Seiko 5671-721 represents an important milestone in Seiko's 1992 lineup. It features a Green dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-10cec6555fe3]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1992

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