Seiko Cal. 6277 - 228

The Seiko 6277-228 represents an important milestone in Seiko's 1969 lineup. Powered by the 6277 caliber with 27j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-29d34e239bea]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

27j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1969

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