Seiko Cal. 0721 - 634

Released in 1975, the Cal. 0721 with design code 634 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-3762524209c0]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1975

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