Seiko Cal. 5645 - 121

The Seiko 5645-121 represents an important milestone in Seiko's 1982 lineup. Powered by the 5645 caliber with 31j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-d80d88df195f]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Cream

Jewels

31j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1982

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