Seiko Cal. 6635 - 453

This Automatic model from 1972 features a 41mm Two-Tone case. Powered by the 6635 caliber with 20j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-d5da7bebf5e4]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1972

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