Seiko Cal. 5658 - 102

The Seiko 5658-102 represents an important milestone in Seiko's 1981 lineup. With its 20mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-d65de4bdab18]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

35j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1981

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