Seiko Cal. 7143 - 721

Released in 1991, the Cal. 7143 with design code 721 was part of Seiko's domestic market collection. It features a Cream dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-0a7a78c572c2]

Also known as: Tuna, UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

28j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1991

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