Seiko Cal. 0723 - 561

The 0723-561 is a sought-after Quartz piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-1d55aba2c2e7]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1966

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