Seiko Cal. 4577 - 288

The 4577-288 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4577 caliber with 34j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-ac3afceab4f5]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

34j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1994

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