Seiko Cal. 6315 - 521

The Seiko 6315-521 represents an important milestone in Seiko's 1986 lineup. It features a Navy dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-aaef42932262]

Also known as: Turtle, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1986

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