Seiko Cal. 4428 - 114

The Seiko 4428-114 represents an important milestone in Seiko's 1978 lineup. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-c7847b8f0c5f]

Also known as: Navigator, Crown

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Silver

Jewels

27j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1978

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