Seiko Cal. 5657 - 966

The Seiko 5657-966 represents an important milestone in Seiko's 1965 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-237dd7fb2df0]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1965

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