Seiko Cal. 6661 - 180

The 6661-180 is a sought-after Solar piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-7ed22bc1a4ba]

Also known as: Sumo, Arnie

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1989

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