Seiko Cal. 5673 - 737

Released in 1976, the Cal. 5673 with design code 737 was part of Seiko's domestic market collection. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-ab65ce0c3750]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

White

Jewels

27j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1976

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