Seiko Cal. 5646 - 818

The Seiko 5646-818 represents an important milestone in Seiko's 1971 lineup. It features a White dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-e76536667ea0]

Also known as: Turtle, Bellmatic

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1971

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