Seiko Cal. 4556 - 277

The Seiko 4556-277 represents an important milestone in Seiko's 1992 lineup. Powered by the 4556 caliber with 34j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-4e9dfa1803b8]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1992

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