Seiko Cal. 7018 - 634

The Seiko 7018-634 represents an important milestone in Seiko's 1966 lineup. Powered by the 7018 caliber with 24j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-1f1f13e4e208]

Also known as: Samurai, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Champagne

Jewels

24j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1966

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