Seiko Cal. 6621 - 664

This Solar model from 1983 features a 39mm Titanium case. Powered by the 6621 caliber with 36j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-e58a4edfd1a6]

Also known as: Monster, World Timer

Specifications

Movement

Solar

Case Material

Titanium

Case Width

39mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1983

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