Seiko Cal. 6136 - 323

This Solar model from 1978 features a 34mm Two-Tone case. Powered by the 6136 caliber with 25j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-0949a0ec8e19]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

34mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1978

Related Models

• Seiko 0725-631
• Seiko 7190-344
• Seiko 5669-397
• Seiko 6143-410
• Seiko 4490-131
• Seiko 3811-760
• Seiko 4432-702
• Seiko 5654-593
• Seiko 4534-284
• Seiko 5640-248
• Seiko 3847-964
• Seiko 6328-860