Seiko Cal. 5648 - 444

The Seiko 5648-444 represents an important milestone in Seiko's 1982 lineup. Powered by the 5648 caliber with 31j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-e673eeb7dda3]

Also known as: Samurai, Shogun

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

31j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1982

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