Seiko Cal. 0721 - 686

Released in 1984, the Cal. 0721 with design code 686 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-0c3fce4ac9dd]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1984

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