Seiko Cal. 7155 - 400

The 7155-400 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-a5d01289a16c]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1972

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