Seiko Cal. 4511 - 851

The Seiko 4511-851 represents an important milestone in Seiko's 1978 lineup. Powered by the 4511 caliber with 35j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-375334e1187d]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1978

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