Seiko Cal. 4478 - 397

The Seiko 4478-397 represents an important milestone in Seiko's 1969 lineup. Powered by the 4478 caliber with 32j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-45cc5bb2e77b]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Burgundy

Jewels

32j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1969

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