Seiko Cal. 4538 - 356

The 4538-356 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4538 caliber with 33j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-1b0fb058ed23]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1966

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