Seiko Cal. 4555 - 836

The Seiko 4555-836 represents an important milestone in Seiko's 1984 lineup. Powered by the 4555 caliber with 20j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-5d070f56c11e]

Also known as: Helmet, World Timer

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

20j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1984

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