Seiko Cal. 5664 - 201

This Hand-Winding model from 1986 features a 45mm Titanium case. Powered by the 5664 caliber with 31j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-18218fdfce0b]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

31j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1986

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