Seiko Cal. 7180 - 754

Released in 1972, the Cal. 7180 with design code 754 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-55ba583938da]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

31j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1972

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