Seiko Cal. 6660 - 661

The Seiko 6660-661 represents an important milestone in Seiko's 1987 lineup. It features a White dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-290f16fea5cb]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1987

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