Seiko Cal. 4550 - 530

The Seiko 4550-530 represents an important milestone in Seiko's 1983 lineup. It features a Navy dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-512d21813f40]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

42mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

27j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1983

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