Seiko Cal. 5646 - 535

The Seiko 5646-535 represents an important milestone in Seiko's 1979 lineup. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-875340cdd392]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1979

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