Seiko Cal. 3894 - 527

The Seiko 3894-527 represents an important milestone in Seiko's 1975 lineup. With its 21mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-00396d6cad21]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Burgundy

Jewels

34j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1975

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