Seiko Cal. 3810 - 275

The Seiko 3810-275 represents an important milestone in Seiko's 1977 lineup. Powered by the 3810 caliber with 21j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-fb81ac494624]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1977

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