Seiko Cal. 6311 - 887

The Seiko 6311-887 represents an important milestone in Seiko's 1966 lineup. It features a Black dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-18591a03df9e]

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1966

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