Seiko Cal. 4437 - 364

The 4437-364 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-3b0464886ba2]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

17j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1988

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