Seiko Cal. 5615 - 646

The Seiko 5615-646 represents an important milestone in Seiko's 1966 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-d9bef0dbee77]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

42mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Burgundy

Jewels

19j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1966

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