Seiko Cal. 4437 - 706

The Seiko 4437-706 represents an important milestone in Seiko's 1980 lineup. Powered by the 4437 caliber with 30j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-14f73d87945e]

Also known as: Goldfeather, Arnie

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1980

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