Seiko Cal. 5660 - 429

This Hand-Winding model from 1978 features a 45mm Titanium case. Powered by the 5660 caliber with 29j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-b28977e75632]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

29j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1978

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