Seiko Cal. 5646 - 496

The Seiko 5646-496 represents an important milestone in Seiko's 1981 lineup. Powered by the 5646 caliber with 31j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-85738c6b9fd6]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

34mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1981

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