Seiko Cal. 4550 - 250

The Seiko 4550-250 represents an important milestone in Seiko's 1996 lineup. Powered by the 4550 caliber with 33j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-177235eaa198]

Also known as: Bellmatic, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Silver

Jewels

33j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1996

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