Seiko Cal. 6661 - 858

Seiko 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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