Seiko Cal. 5231 - 277

The Seiko 5231-277 represents an important milestone in Seiko's 1969 lineup. Powered by the 5231 caliber with 22j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-0a14975974aa]

Also known as: Pogue, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Champagne

Jewels

22j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1969

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