Seiko Cal. 5623 - 843

The Seiko 5623-843 represents an important milestone in Seiko's 1971 lineup. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-4f8fa2b8775a]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1971

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