Seiko Cal. 4539 - 789

The 4539-789 is a sought-after Hand-Winding piece from Seiko's golden era. With its 18mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-9fff5b5b6418]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

34j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1975

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