Seiko Cal. 4436 - 422

The Seiko 4436-422 represents an important milestone in Seiko's 1968 lineup. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-0c930bba0628]

Also known as: World Timer

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1968

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