Seiko Cal. 6683 - 780

The 6683-780 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6683 caliber with 24j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-bc04b335aa1a]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Burgundy

Jewels

24j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1973

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