Seiko Cal. 3880 - 916

This Spring Drive model from 1968 features a 45mm PVD Black case. Powered by the 3880 caliber with 29j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-286221461d81]

Also known as: Turtle, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Burgundy

Jewels

29j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1968

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