Seiko Cal. 6310 - 545

This Hand-Winding model from 1990 features a 44mm PVD Black case. With its 22mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-a6b3acf12d67]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1990

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