Seiko Cal. 6138 - 321

The Seiko 6138-321 represents an important milestone in Seiko's 1977 lineup. Powered by the 6138 caliber with 27j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-18fb4c7ce586]

Also known as: Pogue, Flighty

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1977

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