Seiko Cal. 4428 - 418

The Seiko 4428-418 represents an important milestone in Seiko's 1976 lineup. It features a Navy dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-0c3215095985]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1976

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