Seiko Cal. 3836 - 740

The 3836-740 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3836 caliber with 33j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-da801e628af4]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1982

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