Seiko Cal. 4428 - 154

The Seiko 4428-154 represents an important milestone in Seiko's 1970 lineup. It features a Silver dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-10d55fc5398a]

Also known as: Shogun

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Silver

Jewels

26j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1970

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