Seiko Cal. 5277 - 556

The 5277-556 is a sought-after Solar piece from Seiko's golden era. Powered by the 5277 caliber with 20j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-7c0061e704cf]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

43mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1975

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