Seiko Cal. 4441 - 587

This Solar model from 1981 features a 36mm Stainless Steel case. Powered by the 4441 caliber with 25j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-636a4d86cc65]

Also known as: Goldfeather, Baby Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1981

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