Seiko Cal. 4437 - 881

The 4437-881 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-5426d2fd9e35]

Also known as: Turtle, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

29j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1971

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