Seiko Cal. 6645 - 856

Released in 1986, the Cal. 6645 with design code 856 was part of Seiko's domestic market collection. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-3894afb6bb96]

Also known as: Pogue, World Timer

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1986

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