Seiko Cal. 6331 - 436

The Seiko 6331-436 represents an important milestone in Seiko's 1988 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-a215be15bcd9]

Also known as: Shogun, Silverwave

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1988

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