Seiko Cal. 3896 - 557

The Seiko 3896-557 represents an important milestone in Seiko's 1969 lineup. With its 21mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-225f3708b63c]

Also known as: UFO, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1969

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