Seiko Cal. 4552 - 316

The Seiko 4552-316 represents an important milestone in Seiko's 1991 lineup. It features a Black dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-234349295b52]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1991

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