Seiko Cal. 3890 - 753

The Seiko 3890-753 represents an important milestone in Seiko's 1978 lineup. Powered by the 3890 caliber with 20j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-e55fd5e64adc]

Also known as: Shogun, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1978

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