Seiko Cal. 7163 - 242

Released in 1966, the Cal. 7163 with design code 242 was part of Seiko's domestic market collection. It features a Black dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-11ea7ea9b420]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Black

Jewels

20j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1966

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