Seiko Cal. 6644 - 142

The Seiko 6644-142 represents an important milestone in Seiko's 1985 lineup. Powered by the 6644 caliber with 25j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-a9e758f80fd5]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Champagne

Jewels

25j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1985

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