Seiko Cal. 5657 - 733

The Seiko 5657-733 represents an important milestone in Seiko's 1974 lineup. It features a Silver dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-74115468bc7a]

Also known as: Samurai, Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

200m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1974

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