Seiko Cal. 4441 - 540

The 4441-540 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Champagne dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-7ae6ef8db45e]

Also known as: Tuna, Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Champagne

Jewels

23j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1989

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