Seiko Cal. 6617 - 380

The Seiko 6617-380 represents an important milestone in Seiko's 1972 lineup. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-2a798d47a3be]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Green

Jewels

36j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1972

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