Seiko Cal. 4556 - 271

The 4556-271 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4556 caliber with 27j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-c86874e7a0e9]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1966

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