Seiko Cal. 3865 - 737

The 3865-737 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3865 caliber with 28j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-efccc0034977]

Also known as: Turtle, Monster

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1992

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