Seiko Cal. 7090 - 510

Released in 1974, the Cal. 7090 with design code 510 was part of Seiko's domestic market collection. It features a Navy dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-2796e8be4cde]

Also known as: Sumo, Crown

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1974

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