Seiko Cal. 6312 - 449

This Automatic model from 1991 features a 39mm Titanium case. With its 20mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-55580bb12fad]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1991

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