Seiko Cal. 6375 - 990

This Hand-Winding model from 1983 features a 40mm Titanium case. Powered by the 6375 caliber with 28j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-4ef3c12f3175]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1983

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