Seiko Cal. 4438 - 631

This Solar model from 1987 features a 34mm Stainless Steel case. Powered by the 4438 caliber with 36j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-57a15ef44741]

Also known as: Silverwave, Golden Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

170m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1987

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