Seiko Cal. 4528 - 378

The Seiko 4528-378 represents an important milestone in Seiko's 1966 lineup. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-fa0dcf1a7494]

Also known as: Goldfeather, Navigator

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1966

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