Seiko Cal. 6661 - 865

The 6661-865 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6661 caliber with 33j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-7ab93a5e529e]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Silver

Jewels

33j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1987

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