Seiko Cal. 4445 - 457

The Seiko 4445-457 represents an important milestone in Seiko's 1978 lineup. It features a Cream dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-343b73557997]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1978

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