Seiko Cal. 7027 - 435

This Spring Drive model from 1969 features a 34mm Hardlex-Coated Steel case. Powered by the 7027 caliber with 36j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-f133bce585b7]

Also known as: Monster, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1969

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