Seiko Cal. 5646 - 606

The Seiko 5646-606 represents an important milestone in Seiko's 1979 lineup. Powered by the 5646 caliber with 35j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-f9e38bab65f9]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Burgundy

Jewels

35j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1979

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