Seiko Cal. 0721 - 320

Released in 1975, the Cal. 0721 with design code 320 was part of Seiko's domestic market collection. It features a Silver dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-d68748bae490]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

Silver

Jewels

34j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1975

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