Seiko Cal. 3848 - 878

The 3848-878 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-cb6d6ec9eace]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

33j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1965

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