Seiko Cal. 6661 - 171

The Seiko 6661-171 represents an important milestone in Seiko's 1971 lineup. It features a White dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-00033cb65432]

Also known as: Monster

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

35mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1971

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