Seiko Cal. 3820 - 251

The Seiko 3820-251 represents an important milestone in Seiko's 1989 lineup. Powered by the 3820 caliber with 19j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-8ce18bcb8dfa]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1989

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