Seiko Cal. 0745 - 990

The Seiko 0745-990 represents an important milestone in Seiko's 1983 lineup. Powered by the 0745 caliber with 18j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-aac981623dc0]

Also known as: Tuna, Bullhead

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

41mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Silver

Jewels

18j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1983

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