Seiko Cal. 4551 - 555

This Hand-Winding model from 1970 features a 36mm Two-Tone case. Powered by the 4551 caliber with 22j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-a941458485b4]

Also known as: Pogue, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

13.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1970

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