Seiko Cal. 4433 - 445

The 4433-445 is a sought-after Spring Drive piece from Seiko's golden era. It features a Champagne dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-e3ea922cc39f]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Champagne

Jewels

27j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1976

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