Seiko Cal. 3878 - 773

The Seiko 3878-773 represents an important milestone in Seiko's 1990 lineup. Powered by the 3878 caliber with 24j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-ba59236686c7]

Also known as: Bullhead, Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

White

Jewels

24j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1990

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