Seiko Cal. 3889 - 397

The 3889-397 is a sought-after Hand-Winding piece from Seiko's golden era. With its 18mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-ef21a86030d7]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1969

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