Seiko Cal. 4485 - 275

The Seiko 4485-275 represents an important milestone in Seiko's 1977 lineup. Powered by the 4485 caliber with 27j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-c1a1cf3bf7a7]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1977

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