Seiko Cal. 4539 - 475

Released in 1974, the Cal. 4539 with design code 475 was part of Seiko's domestic market collection. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-ba71689bfc29]

Also known as: Bellmatic, World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Burgundy

Jewels

22j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1974

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