Seiko Cal. 0763 - 189

Released in 1969, the Cal. 0763 with design code 189 was part of Seiko's domestic market collection. It features a Navy dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-4ebe6edf74a5]

Also known as: Sumo, Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

29j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1969

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