Seiko Cal. 5688 - 900

The 5688-900 is a sought-after Hand-Winding piece from Seiko's golden era. With its 18mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-f8119b6fe5d5]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

22j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1988

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