Seiko Cal. 4440 - 731

Seiko 4440-731

The Seiko 4440-731 represents an important milestone in Seiko's 1987 lineup. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-a9f699176c1e]

Also known as: Turtle, Crown

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
11.9mm
Lug Width
21mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
Black
Jewels
21j
Frequency
28,800 bph
Power Reserve
54 hours
Year
1987

Related Models

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