Seiko Cal. 6311 - 261

This Automatic model from 1977 features a 37mm PVD Black case. It features a Champagne dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-a8e015d2480c]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

28j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1977

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