Seiko Cal. 4436 - 266

This Hand-Winding model from 1985 features a 46mm PVD Black case. Powered by the 4436 caliber with 32j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-2ca9dc8d8246]

Also known as: Helmet, World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1985

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