Seiko Cal. 3837 - 271

The 3837-271 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3837 caliber with 22j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-216e48750e4a]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1975

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