Seiko Cal. 6681 - 366

The 6681-366 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6681 caliber with 20j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-83b43ca3c63c]

Also known as: Golden Tuna, Arnie

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

White

Jewels

20j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1986

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