Seiko Cal. 6636 - 613

This Automatic model from 1976 features a 38mm Gold-Plated case. Powered by the 6636 caliber with 35j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-424fd5eea33e]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

White

Jewels

35j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1976

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