Seiko Cal. 6660 - 561

The Seiko 6660-561 represents an important milestone in Seiko's 1970 lineup. It features a Silver dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-d204c244f32a]

Also known as: Samurai

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1970

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