Seiko Cal. 7143 - 546

The Seiko 7143-546 represents an important milestone in Seiko's 1968 lineup. It features a Black dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-9811605fb99a]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1968

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