Seiko Cal. 4436 - 723

The Seiko 4436-723 represents an important milestone in Seiko's 1986 lineup. With its 20mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-6f6b80d2074b]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

17j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1986

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