Seiko Cal. 6688 - 745

This Kinetic model from 1966 features a 36mm Hardlex-Coated Steel case. Powered by the 6688 caliber with 33j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-9260848b64b5]

Also known as: Helmet, Silverwave

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Silver

Jewels

33j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1966

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