Seiko Cal. 4550 - 812

The Seiko 4550-812 represents an important milestone in Seiko's 1978 lineup. It features a Cream dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-f198c787c73d]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

34j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1978

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