Seiko Cal. 6635 - 161

The Seiko 6635-161 represents an important milestone in Seiko's 1972 lineup. It features a Champagne dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-edd6278fe4e7]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

21j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1972

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