Seiko Cal. 6645 - 102

The Seiko 6645-102 represents an important milestone in Seiko's 1982 lineup. Powered by the 6645 caliber with 19j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-a569c9f73367]

Also known as: Goldfeather, Golden Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1982

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