Seiko Cal. 6311 - 378

The Seiko 6311-378 represents an important milestone in Seiko's 1967 lineup. It features a Champagne dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-e22a7dfd3cf4]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

36j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1967

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