Seiko Cal. 7155 - 877

The 7155-877 is a sought-after Quartz piece from Seiko's golden era. Powered by the 7155 caliber with 30j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-e06ae6f342e9]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1976

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