Seiko Cal. 6645 - 152

Released in 1993, the Cal. 6645 with design code 152 was part of Seiko's domestic market collection. Powered by the 6645 caliber with 35j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-847bc0ca45f7]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Green

Jewels

35j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1993

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