Seiko Cal. 6661 - 306

This Hand-Winding model from 1981 features a 41mm Two-Tone case. It features a Silver dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-5a1798388597]

Also known as: Panda, Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1981

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