Seiko Cal. 6315 - 771

The Seiko 6315-771 represents an important milestone in Seiko's 1973 lineup. It features a Black dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-ecb120b6cf3d]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1973

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