Seiko Cal. 4437 - 713

The 4437-713 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Silver dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-fc5e8cbfcc71]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

26j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1977

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