Seiko Cal. 5688 - 447

The 5688-447 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5688 caliber with 36j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-409ed7ee157c]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1970

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