Seiko Cal. 5635 - 397

The Seiko 5635-397 represents an important milestone in Seiko's 1974 lineup. It features a Silver dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-0f0f44dcec99]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Silver

Jewels

35j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1974

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