Seiko Cal. 4540 - 236

The Seiko 4540-236 represents an important milestone in Seiko's 1995 lineup. Powered by the 4540 caliber with 30j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-a5b6146f7c4b]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1995

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