Seiko Cal. 4550 - 693

The Seiko 4550-693 represents an important milestone in Seiko's 1991 lineup. Powered by the 4550 caliber with 27j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-6bc48db7c739]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1991

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