Seiko Cal. 5691 - 492

The 5691-492 is a sought-after Hand-Winding piece from Seiko's golden era. With its 18mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-532b2b697d79]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

White

Jewels

32j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1991

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