Seiko Cal. 6661 - 858

The 6661-858 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6661 caliber with 27j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-7eb2dafe56f8]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

38mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Champagne

Jewels

27j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1987

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