Seiko Cal. 4437 - 840

The 4437-840 is a sought-after Kinetic piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-789a5bb4c512]

Also known as: Helmet, Arnie

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

42mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1968

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