Seiko Cal. 0728 - 188

The 0728-188 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0728 caliber with 23j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-c9794b806025]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1974

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