Seiko Cal. 4485 - 631

The 4485-631 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4485 caliber with 32j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-da8fb2a80324]

Also known as: Goldfeather, Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Silver

Jewels

32j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1982

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