Seiko Cal. 6642 - 804

The Seiko 6642-804 represents an important milestone in Seiko's 1969 lineup. Powered by the 6642 caliber with 27j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-d43ffe1bbe36]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Champagne

Jewels

27j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1969

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