Seiko Cal. 7143 - 623

The Seiko 7143-623 represents an important milestone in Seiko's 1974 lineup. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-74cd2dfce984]

Also known as: Sumo, Arnie

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

26j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1974

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