Seiko Cal. 0712 - 423

The Seiko 0712-423 represents an important milestone in Seiko's 1985 lineup. It features a Green dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-9e79176562ac]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1985

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