Seiko Cal. 5657 - 336

Released in 1966, the Cal. 5657 with design code 336 was part of Seiko's domestic market collection. With its 19mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-552aca3043fa]

Also known as: Panda

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1966

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