Seiko Cal. 6662 - 745

The Seiko 6662-745 represents an important milestone in Seiko's 1975 lineup. Powered by the 6662 caliber with 26j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-341849c34d36]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

35mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1975

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