Seiko Cal. 3877 - 161

This Quartz model from 1977 features a 34mm Hardlex-Coated Steel case. Powered by the 3877 caliber with 24j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-d02e7b31d1df]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1977

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