Seiko Cal. 4436 - 750

Seiko 4436-750

The 4436-750 is a sought-after Quartz piece from Seiko's golden era. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-f7a64f7d241e]

Also known as: Helmet, UFO

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
40mm
Case Thickness
13.0mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
30m
Dial Color
White
Jewels
21j
Frequency
21,600 bph
Power Reserve
50 hours
Year
1968

Related Models

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