Seiko Cal. 4439 - 688

Seiko 4439-688

The Seiko 4439-688 represents an important milestone in Seiko's 1970 lineup. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-274f608813c3]

Also known as: Arnie

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
10.7mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
150m
Dial Color
Green
Jewels
24j
Frequency
36,000 bph
Power Reserve
59 hours
Year
1970

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