Seiko Cal. 7146 - 644

The Seiko 7146-644 represents an important milestone in Seiko's 1985 lineup. Powered by the 7146 caliber with 18j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-27de528b0ad2]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

18j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1985

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