Seiko Cal. 5658 - 122

The Seiko 5658-122 represents an important milestone in Seiko's 1970 lineup. Powered by the 5658 caliber with 21j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-c3d924e9b2ef]

Also known as: Monster, Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1970

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