Seiko Cal. 7123 - 747

The 7123-747 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7123 caliber with 26j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-fa754dcd4b0d]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1977

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