Seiko Cal. 6661 - 210

This Hand-Winding model from 1978 features a 42mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-1d8d6416f89e]

Also known as: Monster, Rally

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

14.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Burgundy

Jewels

28j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1978

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