Seiko Cal. 4437 - 338

The 4437-338 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-80b18c96c380]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

13.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1967

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