Seiko Cal. 7138 - 934

Seiko 7138-934

The Seiko 7138-934 represents an important milestone in Seiko's 1990 lineup. Powered by the 7138 caliber with 27j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-b9813bc560d1]

Also known as: Monster

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
38mm
Case Thickness
12.5mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
Green
Jewels
27j
Frequency
36,000 bph
Power Reserve
61 hours
Year
1990

Related Models

seikata-wm-b9813bc560d1