Seiko Cal. 4470 - 637

The Seiko 4470-637 represents an important milestone in Seiko's 1982 lineup. Powered by the 4470 caliber with 27j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-70775a188604]

Also known as: Shogun, Rally

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1982

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