Seiko Cal. 6630 - 610

This Automatic model from 1986 features a 46mm Titanium case. Powered by the 6630 caliber with 25j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-c6a4395e9b75]

Also known as: Sumo, Rally

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

25j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1986

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