Seiko Cal. 4437 - 245

Released in 1983, the Cal. 4437 with design code 245 was part of Seiko's domestic market collection. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-2f6edcde39bb]

Also known as: Helmet, Crown

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1983

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