Seiko Cal. 6315 - 691

The 6315-691 is a sought-after Quartz piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-a91ac1bea7f5]

Also known as: Monster, Sportsmatic

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1990

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