Seiko Cal. 5221 - 634

The Seiko 5221-634 represents an important milestone in Seiko's 1995 lineup. Powered by the 5221 caliber with 36j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-0911f2087462]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1995

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