Seiko Cal. 6646 - 316

The 6646-316 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-a13bf508e907]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Burgundy

Jewels

18j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1999

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