Seiko Cal. 6656 - 407

The 6656-407 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-c6a5fe06cd06]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Silver

Jewels

17j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1983

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