Seiko Cal. 6318 - 541

This Hand-Winding model from 1990 features a 42mm Stainless Steel case. With its 18mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-68ce5db13619]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1990

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