Seiko Cal. 6646 - 261

The 6646-261 is a sought-after Solar piece from Seiko's golden era. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-50a8982ab6ee]

Also known as: Crown

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Silver

Jewels

17j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1973

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