Seiko Cal. 4445 - 331

The Seiko 4445-331 represents an important milestone in Seiko's 1967 lineup. It features a White dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-8e172c0105b7]

Also known as: Tuna, Silverwave

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

38mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1967

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