Seiko Cal. 6173 - 610

The Seiko 6173-610 represents an important milestone in Seiko's 1974 lineup. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-1a9cf336ca14]

Also known as: Sumo, Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

43mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

34j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1974

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