Seiko Cal. 0747 - 284

The 0747-284 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0747 caliber with 22j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-ec4bb5895553]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1989

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