Seiko Cal. 4445 - 581

Seiko 4445-581

The Seiko 4445-581 represents an important milestone in Seiko's 1968 lineup. It features a Black dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-3c7c0b5c699d]

Also known as: Bellmatic

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
46mm
Case Thickness
15.0mm
Lug Width
22mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Black
Jewels
30j
Frequency
21,600 bph
Power Reserve
69 hours
Year
1968

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