Seiko Cal. 5657 - 776

The 5657-776 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-09e0b16657a7]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

24j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1972

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