Seiko Cal. 5656 - 936

The Seiko 5656-936 represents an important milestone in Seiko's 1989 lineup. It features a Cream dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-b31e028f7280]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1989

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