Seiko Cal. 5277 - 722

The 5277-722 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5277 caliber with 31j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-41990fb27b57]

Also known as: Helmet, Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1966

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