Seiko Cal. 6641 - 230

This Automatic model from 1978 features a 41mm Titanium case. It features a White dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-089d49682fee]

Also known as: UFO, Bellmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

White

Jewels

32j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1978

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