Seiko Cal. 7123 - 497

The Seiko 7123-497 represents an important milestone in Seiko's 1973 lineup. It features a Green dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-2f9a6d89d24c]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1973

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