Seiko Cal. 0784 - 636

Released in 1972, the Cal. 0784 with design code 636 was part of Seiko's domestic market collection. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-5693ffb1ca65]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1972

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