Seiko Cal. 6653 - 117

The Seiko 6653-117 represents an important milestone in Seiko's 1971 lineup. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-a45b1dc68805]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Silver

Jewels

24j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1971

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