Seiko Cal. 4539 - 977

The Seiko 4539-977 represents an important milestone in Seiko's 1967 lineup. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-7e50dd3fe0d5]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

32j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1967

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