Seiko Cal. 7155 - 556

The 7155-556 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7155 caliber with 17j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-6e7ec49a52b5]

Also known as: Turtle, Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

17j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1982

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