Seiko Cal. 4437 - 364

The Seiko 4437-364 represents an important milestone in Seiko's 1969 lineup. With its 18mm lug width and 13.1mm profile, it sits comfortably on most wrists. [seikata-wm-95e5d5cc3ded]

Also known as: Helmet, Crown

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

White

Jewels

23j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1969

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