Seiko Cal. 3873 - 900

The Seiko 3873-900 represents an important milestone in Seiko's 1978 lineup. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-21541071deec]

Also known as: Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

White

Jewels

25j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1978

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