Seiko Cal. 3888 - 731

Seiko 3888-731

The 3888-731 is a sought-after Solar piece from Seiko's golden era. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-abcea3d9140b]

Also known as: Bullhead, Silverwave

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
13.7mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Navy
Jewels
31j
Frequency
28,800 bph
Power Reserve
69 hours
Year
1981

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seikata-wm-abcea3d9140b