Seiko Cal. 5657 - 525

The 5657-525 is a sought-after Automatic piece from Seiko's golden era. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-e4dbf3358dcc]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

32j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1980

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