Seiko Cal. 4495 - 507

The 4495-507 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4495 caliber with 21j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-f20fa86e23af]

Also known as: Silverwave, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1988

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