Seiko Cal. 3887 - 344

The Seiko 3887-344 represents an important milestone in Seiko's 1971 lineup. Powered by the 3887 caliber with 30j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-263f6a6f8e69]

Also known as: Turtle, Navigator

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

30j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1971

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