Seiko Cal. 3816 - 319

This Hand-Winding model from 1966 features a 39mm PVD Black case. Powered by the 3816 caliber with 25j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-951ac24be8f3]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1966

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