Seiko Cal. 5631 - 216

The Seiko 5631-216 represents an important milestone in Seiko's 1965 lineup. It features a White dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-1a79bf20c273]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

12.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

White

Jewels

29j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1965

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