Seiko Cal. 4437 - 371

The 4437-371 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Cream dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-f41b14979074]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Cream

Jewels

19j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1994

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