Seiko Cal. 4481 - 690

The 4481-690 is a sought-after Solar piece from Seiko's golden era. Powered by the 4481 caliber with 23j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-07832fff217b]

Also known as: Navigator

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

46mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Cream

Jewels

23j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1975

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