Seiko Cal. 6135 - 777

The 6135-777 is a sought-after Quartz piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-a6eb56e57f8b]

Also known as: Monster, Sumo

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1981

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