Seiko Cal. 4531 - 177

The 4531-177 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4531 caliber with 34j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-64427f945119]

Also known as: Sea Horse, Crown

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1987

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