Seiko Cal. 4436 - 898

Released in 1984, the Cal. 4436 with design code 898 was part of Seiko's domestic market collection. With its 22mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-df850bd9b68a]

Also known as: Bullhead, Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1984

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