Seiko Cal. 4554 - 820

The Seiko 4554-820 represents an important milestone in Seiko's 1977 lineup. It features a Silver dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-59d0cc33c694]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

28j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1977

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