Seiko Cal. 6644 - 460

The Seiko 6644-460 represents an important milestone in Seiko's 1985 lineup. Powered by the 6644 caliber with 22j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-318cd5ffefd9]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1985

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