Seiko Cal. 6657 - 535

The Seiko 6657-535 represents an important milestone in Seiko's 1985 lineup. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-5eb085a58325]

Also known as: Silverwave, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Silver

Jewels

35j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1985

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