Seiko Cal. 5645 - 399

The Seiko 5645-399 represents an important milestone in Seiko's 1979 lineup. It features a White dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-958796ca2a4b]

Also known as: Pogue, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

White

Jewels

31j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1979

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