Seiko Cal. 3821 - 634

The 3821-634 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-9e7a1b19b185]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1995

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