Seiko Cal. 6698 - 327

This Hand-Winding model from 1977 features a 35mm Hardlex-Coated Steel case. Powered by the 6698 caliber with 24j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-1ae984dcff7c]

Also known as: Tuna, UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1977

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