Seiko Cal. 6351 - 540

The Seiko 6351-540 represents an important milestone in Seiko's 1980 lineup. With its 20mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-6b46bc9c0628]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1980

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