Seiko Cal. 7155 - 720

The 7155-720 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 7155 caliber with 23j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-6e7df5860c4b]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1978

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