Seiko Cal. 0721 - 518

Released in 1972, the Cal. 0721 with design code 518 was part of Seiko's domestic market collection. It features a Green dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-64ccd2166dca]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Green

Jewels

29j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1972

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