Seiko Cal. 6660 - 843

The 6660-843 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Silver dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-dda51b06ea43]

Also known as: Helmet, Rally

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Silver

Jewels

32j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1985

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