Seiko Cal. 6665 - 791

The 6665-791 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6665 caliber with 28j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-b36f2cefc0ac]

Also known as: Panda, Arnie

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1986

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