Seiko Cal. 6338 - 450

The Seiko 6338-450 represents an important milestone in Seiko's 1966 lineup. With its 18mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-9ee8d223ded1]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Navy

Jewels

35j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1966

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