Seiko Cal. 5658 - 176

Released in 1967, the Cal. 5658 with design code 176 was part of Seiko's domestic market collection. Powered by the 5658 caliber with 21j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-6d6008b7d1d3]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1967

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