Seiko Cal. 6138 - 654

The Seiko 6138-654 represents an important milestone in Seiko's 1967 lineup. Powered by the 6138 caliber with 31j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-da1f0d115220]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1967

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