Seiko Cal. 4440 - 763

This Automatic model from 1987 features a 41mm Two-Tone case. Powered by the 4440 caliber with 36j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-321de9102ca4]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Silver

Jewels

36j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1987

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