Seiko Cal. 0765 - 638

The 0765-638 is a sought-after Automatic piece from Seiko's golden era. Powered by the 0765 caliber with 29j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-5f2f95eb13e0]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

29j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1990

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