Seiko Cal. 5665 - 858

The Seiko 5665-858 represents an important milestone in Seiko's 1980 lineup. Powered by the 5665 caliber with 31j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-ed359e3deeb3]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Silver

Jewels

31j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1980

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