Seiko Cal. 5277 - 320

The 5277-320 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5277 caliber with 32j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-f07523b4d4b1]

Also known as: Shogun

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1980

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