Seiko Cal. 4430 - 237

The 4430-237 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4430 caliber with 26j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-0b7ff92b9d5a]

Also known as: Shogun, Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

38mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

26j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1967

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