Seiko Cal. 4436 - 904

The Seiko 4436-904 represents an important milestone in Seiko's 1984 lineup. It features a Navy dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-c452bd66083a]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1984

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