Seiko Cal. 3876 - 692

This Spring Drive model from 1977 features a 45mm PVD Black case. Powered by the 3876 caliber with 31j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-e297f629c835]

Also known as: Turtle, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1977

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