Seiko Cal. 4438 - 731

Seiko 4438-731

The 4438-731 is a sought-after Solar piece from Seiko's golden era. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-1c29aa323339]

Also known as: Bullhead

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
10.0mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
Black
Jewels
18j
Frequency
28,800 bph
Power Reserve
46 hours
Year
1966

Related Models

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