Seiko Cal. 4437 - 164

The 4437-164 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-70adb39300bc]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1976

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