Seiko Cal. 4437 - 717

Seiko 4437-717

The Seiko 4437-717 represents an important milestone in Seiko's 1987 lineup. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-b5ac724c6c92]

Also known as: Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
37mm
Case Thickness
11.2mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Blue Sunburst
Jewels
23j
Frequency
28,800 bph
Power Reserve
68 hours
Year
1987

Related Models

seikata-wm-b5ac724c6c92