Seiko Cal. 5643 - 276

This Quartz model from 1977 features a 36mm Hardlex-Coated Steel case. Powered by the 5643 caliber with 35j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-a5278c964146]

Also known as: Bellmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Silver

Jewels

35j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1977

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