Seiko Cal. 5656 - 388

The Seiko 5656-388 represents an important milestone in Seiko's 1991 lineup. It features a Black dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-adfea901447a]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1991

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