Seiko Cal. 5658 - 523

The 5658-523 is a sought-after Solar piece from Seiko's golden era. Powered by the 5658 caliber with 32j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-28bae7bd4a4e]

Also known as: Monster, Rally

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

White

Jewels

32j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1971

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