Seiko Cal. 5645 - 907

The Seiko 5645-907 represents an important milestone in Seiko's 1987 lineup. Powered by the 5645 caliber with 23j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-33f4600fd981]

Also known as: Tuna, Goldfeather

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1987

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