Seiko Cal. 5645 - 712

This Spring Drive model from 1994 features a 46mm Hardlex-Coated Steel case. Powered by the 5645 caliber with 35j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-644f42e7f714]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Burgundy

Jewels

35j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1994

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