Seiko Cal. 5658 - 389

The 5658-389 is a sought-after Solar piece from Seiko's golden era. Powered by the 5658 caliber with 27j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-16c1798f112c]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

35mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

White

Jewels

27j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1982

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