Seiko Cal. 4420 - 308

The Seiko 4420-308 represents an important milestone in Seiko's 1991 lineup. Powered by the 4420 caliber with 26j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-b09c23148054]

Also known as: Silverwave, Golden Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

White

Jewels

26j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1991

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