Seiko Cal. 5657 - 738

The Seiko 5657-738 represents an important milestone in Seiko's 1968 lineup. With its 22mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-d9603689d44b]

Also known as: Samurai, Panda

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

33j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1968

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