Seiko Cal. 4539 - 663

The 4539-663 is a sought-after Automatic piece from Seiko's golden era. The Fixed bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-ede80310ecd1]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1966

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