Seiko Cal. 3837 - 278

The 3837-278 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-f1dec4327ad6]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1975

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