Seiko Cal. 5658 - 337

The Seiko 5658-337 represents an important milestone in Seiko's 1980 lineup. Powered by the 5658 caliber with 26j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-5c1427647dc5]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Silver

Jewels

26j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1980

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