Seiko Cal. 0721 - 376

Released in 1975, the Cal. 0721 with design code 376 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-ac0164ef65a5]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Titanium

Case Width

41mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

26j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1975

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