Seiko Cal. 4436 - 587

Seiko 4436-587

The Seiko 4436-587 represents an important milestone in Seiko's 1991 lineup. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-736bd057184d]

Also known as: Sumo, Arnie

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
39mm
Case Thickness
14.7mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
60m
Dial Color
Silver
Jewels
18j
Frequency
21,600 bph
Power Reserve
37 hours
Year
1991

Related Models

seikata-wm-736bd057184d