Seiko Cal. 6318 - 848

This Spring Drive model from 1993 features a 39mm Stainless Steel case. With its 22mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-26eb9eea0f26]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1993

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