Seiko Cal. 4550 - 372

The Seiko 4550-372 represents an important milestone in Seiko's 1991 lineup. Powered by the 4550 caliber with 31j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-006f33fa1830]

Also known as: Monster, Emperor

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

White

Jewels

31j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1991

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