Seiko Cal. 4527 - 740

This Spring Drive model from 1969 features a 34mm Hardlex-Coated Steel case. Powered by the 4527 caliber with 35j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-437507fe6020]

Also known as: Shogun, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Silver

Jewels

35j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1969

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