Seiko Cal. 6661 - 187

The Seiko 6661-187 represents an important milestone in Seiko's 1990 lineup. It features a White dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-6299bb62a3ea]

Also known as: Bullhead, Silverwave

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

White

Jewels

35j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1990

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