Seiko Cal. 5646 - 843

The Seiko 5646-843 represents an important milestone in Seiko's 1973 lineup. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-9d8558dabf56]

Also known as: Samurai, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1973

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