Seiko Cal. 5631 - 835

The Seiko 5631-835 represents an important milestone in Seiko's 1972 lineup. It features a Burgundy dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-0cc75ff77a97]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Burgundy

Jewels

34j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1972

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