Seiko Cal. 5277 - 632

The 5277-632 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5277 caliber with 23j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-77bb1608f0c5]

Also known as: Helmet, Rally

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Cream

Jewels

23j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1987

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