Seiko Cal. 6684 - 277

The Seiko 6684-277 represents an important milestone in Seiko's 1989 lineup. Powered by the 6684 caliber with 23j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-7397bc0c3594]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

23j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1989

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