Seiko Cal. 5623 - 512

The Seiko 5623-512 represents an important milestone in Seiko's 1977 lineup. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-c9c7d149a8a7]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Cream

Jewels

24j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1977

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