Seiko Cal. 6656 - 183

The Seiko 6656-183 represents an important milestone in Seiko's 1983 lineup. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-e0ed047b045b]

Also known as: Tuna, Arnie

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1983

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