Seiko Cal. 0763 - 550

Released in 1975, the Cal. 0763 with design code 550 was part of Seiko's domestic market collection. It features a Black dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-fd14ea6ea109]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1975

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