Seiko Cal. 7123 - 513

The Seiko 7123-513 represents an important milestone in Seiko's 1976 lineup. It features a Navy dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-3510c528ec6b]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

12.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1976

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