Seiko Cal. 6658 - 457

The Seiko 6658-457 represents an important milestone in Seiko's 1970 lineup. Powered by the 6658 caliber with 36j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-d0d47dde9fb9]

Also known as: World Timer, Golden Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1970

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