Seiko Cal. 0738 - 646

The Seiko 0738-646 represents an important milestone in Seiko's 1989 lineup. With its 19mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-fdc29acfae73]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1989

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