Seiko Cal. 6173 - 155

The Seiko 6173-155 represents an important milestone in Seiko's 1981 lineup. Powered by the 6173 caliber with 26j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-6b05fde9e9e0]

Also known as: Sumo, Helmet

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

34mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

26j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1981

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