Seiko Cal. 3810 - 815

The Seiko 3810-815 represents an important milestone in Seiko's 1976 lineup. Powered by the 3810 caliber with 35j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-9228f3e2f0fe]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

35j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1976

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