Seiko Cal. 4423 - 404

The Seiko 4423-404 represents an important milestone in Seiko's 1991 lineup. Powered by the 4423 caliber with 25j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-fab18dc0253d]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1991

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